Crossing Culture+ is a booth exhibit in Ploy-Saeng 3 Exhibition. The augmented reality technique was used in presentation of content, the architectural project of Redevelopment Rattanakosin area from AR416 Integrated Architectural Design 2. Each marker was programmed to open 3D model, images, and video in 3D virtual space parallel with real world space by using webcam for capturing – detecting and display by overhang monitor.